This release requires at least Eclipse Oxygen (4.7) and is compatible with Eclipse IDE 2019-06. Handly Xtext Integration layer supports Xtext 2.12 through 2.18. Handly requires Java 8 or later and has no operating system specific dependencies.
Note that the minimum requirements have changed in this release. Previously, Eclipse Neon (4.6) and Xtext 2.11 were sufficient.